name: Dependency compatibility tests

on:
  push:
    branches: ["main"]
  pull_request:
    # Do not run this workflow if only docs changed.
    paths-ignore:
      - 'docs/**'
  workflow_dispatch:  # Allows triggering the workflow manually in GitHub UI

# If another push to the same PR or branch happens while this workflow is still running,
# cancel the earlier run in favor of the next run.
#
# There's no point in testing an outdated version of the code. GitHub only allows
# a limited number of job runners to be active at the same time, so it's better to cancel
# pointless jobs early so that more useful jobs can run sooner.
concurrency:
  group: exports-${{ github.workflow }}-${{ github.ref }}
  cancel-in-progress: true

env:
  PUPPETEER_SKIP_DOWNLOAD: "true"
  PLAYWRIGHT_SKIP_BROWSER_DOWNLOAD: "true"
  NODE_VERSION: "18.x"

# Run a separate job for each check in the docker-compose file,
# so that they run in parallel instead of overwhelming the default 2 CPU runner.
jobs:
  test-langchain-with-latest-deps:
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4
      - name: Use Node.js ${{ env.NODE_VERSION }}
        uses: actions/setup-node@v3
        with:
          node-version: ${{ env.NODE_VERSION }}
          cache: "yarn"
      - name: Test LangChain with latest deps
        run: docker compose -f dependency_range_tests/docker-compose.yml run test-langchain-with-latest-deps

  test-langchain-with-lowest-deps:
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4
      - name: Use Node.js ${{ env.NODE_VERSION }}
        uses: actions/setup-node@v3
        with:
          node-version: ${{ env.NODE_VERSION }}
          cache: "yarn"
      - name: Test LangChain with lowest deps
        run: docker compose -f dependency_range_tests/docker-compose.yml run test-langchain-with-lowest-deps
